[JoJosz28]

Does any have a clue as to what Compression Ratio 041 cast heads 2.2 intake .65 exh 510 lift 242 duration cam on a sbc 400 60 over bore
Forged Flat tops with Valve insets?Just Curious cant keep a Stock Crank in it?:smash:

 

[MI2600]

The 041s are 64cc heads. I'm running 64cc Vortecs with dished pistons and I'm at about 10:1 static. You'd be higher, maybe 10.5??

 

[JoJosz28]

she wont Run pump gas so shes atleast 11:1 id say more but just curious